Service Intervals & Specifications

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1991 Pontiac Firebird, 1991 Oldsmobile Custom Cruiser, 1991 Chevrolet Corvette, 1991 Chevrolet Caprice, and 1991 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

REPLACEMENT INTERVALS

Component

Miles

Oil & Filter

7,500

Air Filter

30,000

Cam Timing Belt

⁽¹⁾

Coolant

30,000

Fuel Filter

⁽¹⁾

Spark Plugs

30,000

⁽¹⁾	No scheduled replacement interval given by manufacturer. Check and replace as necessary.

DRIVE BELT ADJUSTMENT

Application

⁽¹⁾ Tension - Lbs. (kg)

Serpentine Belt ⁽²⁾

4.9L (VIN B)

"C" Body

70-110 (32-50)

"E" & "K" Body

⁽³⁾

5.0L (VIN E)

105-125 (48-57)

5.0L (VIN F)

99-121 (45-55)

5.7L (VIN 7)

99-121 (45-55)

5.7L (VIN 8)

60-90 (27-41)

⁽¹⁾	Specifications are for new belts only. Measure tension with belt tension gauge.

⁽²⁾	Engines with serpentine belts have automatic tensioner. If tension reading is not as specified, check belt's operating length or tensioner's operating range. Replace belt as necessary.

⁽³⁾	Equipped with automatic idler pulley. Tension adjustment is necessary.